Apple releases macOS High Sierra 10.13.6 with AirPlay 2 Multi-Room Audio Support for iTunes and security updates
Apple MacBook Pro 13.3" i5 2.3GHz 4GB RAM Intel Iris Laptop version 10.13.6 | eBay
Restored Apple MacBook Pro Laptop, 13.3", Intel Core i5-3210M, 8GB RAM, 500GB HD, DVD-RW, Mac OS X 10.13.6 High Sierra, Silver, MD102LL/A (Refurbished) - Walmart.com
macOS High Sierra 10.13.6 (17G65) - Final Version - Apple News | InsanelyMac